# UserNameOrEmailFilter
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A filter that matches users by username or email prefix.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** prefix **   <a name="QS-Type-UserNameOrEmailFilter-prefix"></a>
The prefix to match against username or email (starts-with match).  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/quicksight-2018-04-01/UserNameOrEmailFilter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/UserNameOrEmailFilter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/UserNameOrEmailFilter)